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DEBT (Details) - USD ($)								3 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Mar. 31, 2021	Jun. 25, 2020	May 23, 2019	Aug. 10, 2018	Mar. 31, 2021
LONG-TERM DEBT
Shares issued as bonus interest						1,935,484
Stock issued during the period						$ 2,600,000		$ 29,875,000
Term Loan
LONG-TERM DEBT
Working capital covenant							$ 10,000,000.0
Term Loan | Robert McEwen
LONG-TERM DEBT
Face amount					$ 50,000,000.0		$ 50,000,000.0
Term of debt instrument							3 years
Stated interest rate (as a percent)							9.75%
Amended loan agreement
LONG-TERM DEBT
Face amount					$ 50,000,000
Extension term for repayment of debt					2 years
Term loan retirement period					12 months
Principal repayments					$ 2,000,000.0
Final payment					$ 26,000,000.0
Working capital covenant	$ 10,000,000	$ 7,000,000.0	$ 5,000,000.0	$ 2,500,000
Shares issued as bonus interest					2,091,700
Stock issued during the period					$ 1,875,000

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Contractual interest rate for funds borrowed, under the debt agreement.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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